public void TryGetShouldReturnFalseWhenItemIsNotInCollection()
{
// arrange
Expression <Func <Entity, int> > property = e => e.Id;
IAnnotationConfiguration item;
var collection = new AnnotationConfigurationCollection();
// act
var result = collection.TryGet(property.GetMediaResourceKey(), out item);
// assert
Assert.False(result);
Assert.Null(item);
}
public void TryGetShouldReturnTrueWhenItemIsInCollection()
{
// arrange
Expression <Func <Entity, int> > property = e => e.Id;
var configuration = new Mock <IAnnotationConfiguration>().Object;
IAnnotationConfiguration item;
var collection = new AnnotationConfigurationCollection();
collection.Add(property.GetMediaResourceKey(), configuration);
// act
var result = collection.TryGet(property.GetMediaResourceKey(), out item);
// assert
Assert.True(result);
Assert.Same(configuration, item);
}
public void AddShouldNotAllowSamePropertyMoreThanOnce()
{
// arrange
var expected = $"The property '{typeof( Entity ).FullName}.Id' cannot be configured as an annotation more than once.";
Expression <Func <Entity, int> > property = e => e.Id;
var configuration = new Mock <IAnnotationConfiguration>().Object;
var collection = new AnnotationConfigurationCollection();
collection.Add(property.GetMediaResourceKey(), configuration);
// act
var ex = Assert.Throws <InvalidOperationException>(() => collection.Add(property.GetMediaResourceKey(), configuration));
var actual = ex.Message;
// assert
Assert.Equal(expected, actual);
}
public void CollectionShouldEnumerateInExpectedOrder()
{
// arrange
Expression <Func <Entity, int> > property1 = e => e.Id;
Expression <Func <Entity, string> > property2 = e => e.FirstName;
Expression <Func <Entity, string> > property3 = e => e.LastName;
var configuration1 = new Mock <IAnnotationConfiguration>().Object;
var configuration2 = new Mock <IAnnotationConfiguration>().Object;
var configuration3 = new Mock <IAnnotationConfiguration>().Object;
var expected = new[] { configuration1, configuration2, configuration3 }.AsEnumerable();
var collection = new AnnotationConfigurationCollection();
string name;
// act
collection.Add(property1.GetInstanceAnnotationKey(out name), configuration1);
collection.Add(property2.GetInstanceAnnotationKey(out name), configuration2);
collection.Add(property3.GetInstanceAnnotationKey(out name), configuration3);
var actual = collection.AsEnumerable();
// assert
Assert.Equal(expected, actual);
}
public void AddShouldAppendExpectedItemsToCollection()
{
// arrange
var expected = 3;
Expression <Func <Entity, int> > property1 = e => e.Id;
Expression <Func <Entity, string> > property2 = e => e.FirstName;
Expression <Func <Entity, string> > property3 = e => e.LastName;
var configuration1 = new Mock <IAnnotationConfiguration>().Object;
var configuration2 = new Mock <IAnnotationConfiguration>().Object;
var configuration3 = new Mock <IAnnotationConfiguration>().Object;
var collection = new AnnotationConfigurationCollection();
string name;
// act
collection.Add(property1.GetInstanceAnnotationKey(out name), configuration1);
collection.Add(property2.GetInstanceAnnotationKey(out name), configuration2);
collection.Add(property3.GetInstanceAnnotationKey(out name), configuration3);
var actual = collection.Count;
// assert
Assert.Equal(expected, actual);
}
public void IndexerShouldReturnItemAtExpectedIndex()
{
// arrange
Expression <Func <Entity, int> > property1 = e => e.Id;
Expression <Func <Entity, string> > property2 = e => e.FirstName;
Expression <Func <Entity, string> > property3 = e => e.LastName;
var configuration1 = new Mock <IAnnotationConfiguration>().Object;
var configuration2 = new Mock <IAnnotationConfiguration>().Object;
var configuration3 = new Mock <IAnnotationConfiguration>().Object;
var expected = new[] { configuration1, configuration2, configuration3 };
var collection = new AnnotationConfigurationCollection();
string name;
// act
collection.Add(property1.GetInstanceAnnotationKey(out name), configuration1);
collection.Add(property2.GetInstanceAnnotationKey(out name), configuration2);
collection.Add(property3.GetInstanceAnnotationKey(out name), configuration3);
// assert
for (var i = 0; i < expected.Length; i++)
{
Assert.Same(expected[i], collection[i]);
}
}
